When adding metadata file extensions to 'Compiler resource patterns' the compiler's configuration dialog is not updated and needs a click on 'reset'.

Happens only when opening the compiler configuration dialog directly after applying changes to metadata file extensions which lead to an update of the resource patterns (new extensions added).

Description

When adding metadata file extensions to 'Compiler resource patterns' the compiler's configuration dialog is not updated and needs a click on 'reset'.
Happens only when opening the compiler configuration dialog directly after applying changes to metadata file extensions which lead to an update of the resource patterns (new extensions added).